Nitecore 18650 4000mAh Rechargeable Li-ion Battery (NL1840 - 3.6v)

- for high drain devices 
- 4000mAh 3.6V 14.4Wh 
- Charging Current: Maximum 5A (1A current recommendation) 
- Weight: 50gms 
- Dimensions: Length x Diameter: 69.8mm x 18.6mm
- Integrated battery overcharge / discharge protection circuits
- High discharge performance Li-ion Rechargeable Battery
- More than 500 charge-discharge cycles.
- IPX6 Water Resistant
- Internationally insured by Ping An Insurance(Group) Company of China, Ltd.